Flash mural! Stop by this First Thursday from 3:30-7 p.m. and view art as it happens. The United Way Jr. Service Club will be painting a mural designed by Boise High School sophomore Aidan Weltner. The mural has a message encouraging service and philanthropy for the community at large. You are invited to show up and add a handprint to the design as part of First Thursday’s events. The mural canvas is the building located at the. JUMP and United Way of Treasure Valley are sponsoring the project.